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Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 2 Months Ended | 12 Months Ended | 26 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 04, 2015 | Dec. 31, 2016 | Nov. 30, 2016 | Dec. 31, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2016
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Total Number of Shares Purchased | 82,100 | 103,658 | 179,685 | 680,813 | 283,343 | 82,100 | 680,813 | 1,046,256
Average Price Paid Per Share | $ 34.57 | $ 50.00 | $ 49.11 | $ 35.22 |  |  |  | $ 39.06
Maximum Dollar Value of Shared That May Yet Be Purchased Under the Program |  | $ 59,000 |  |  | $ 59,000 |  |  | $ 59,000
Publicly Announced Program [Member] |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Total Number of Shares Purchased | 82,100 | 103,658 | 179,685 | 680,813 |  |  |  | 1,046,256
Maximum Dollar Value of Shared That May Yet Be Purchased Under the Program |  | $ 58,982 |  |  | $ 58,982 |  |  | $ 58,982

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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